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load/init: add more initial entrypoint trampolines

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This commit is contained in:
Danny Robson 2019-03-03 22:11:09 +11:00
parent 96381b0d88
commit 46d383e003
1 changed files with 59 additions and 11 deletions
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70
load/init.cpp
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@ -24,27 +24,75 @@
///////////////////////////////////////////////////////////////////////////////
static VkResult setup_vtables (
const VkInstanceCreateInfo* pCreateInfo,
const VkAllocationCallbacks* pAllocator,
VkInstance* pInstance
) {
static void setup_tables (void)
{
static auto libraries = cruft::vk::load::enumerate ();
static cruft::vk::load::vendor v (libraries[0]);
cruft::vk::load::i_table = &v.itable;
cruft::vk::load::v_table = &v.vtable;
return cruft::vk::load::i_table->vkCreateInstance (pCreateInfo, pAllocator, pInstance);
}
///////////////////////////////////////////////////////////////////////////////
static cruft::vk::load::instance_table const initialiser {
.vkCreateInstance = setup_vtables,
};
static VkResult _vkCreateInstance (
const VkInstanceCreateInfo* pCreateInfo,
const VkAllocationCallbacks* pAllocator,
VkInstance* pInstance
) {
setup_tables ();
return cruft::vk::load::i_table->vkCreateInstance (pCreateInfo, pAllocator, pInstance);
}
//-----------------------------------------------------------------------------
cruft::vk::load::instance_table const *cruft::vk::load::i_table = &initialiser;
static PFN_vkVoidFunction
_vkGetInstanceProcAddr (VkInstance instance,const char* pName)
{
setup_tables ();
return cruft::vk::load::i_table->vkGetInstanceProcAddr (instance, pName);
}
//-----------------------------------------------------------------------------
VkResult _vkEnumerateInstanceExtensionProperties (
const char* pLayerName,
uint32_t* pPropertyCount,
VkExtensionProperties* pProperties
) {
setup_tables ();
return cruft::vk::load::i_table->vkEnumerateInstanceExtensionProperties (
pLayerName,
pPropertyCount,
pProperties
);
}
//-----------------------------------------------------------------------------
static cruft::vk::load::instance_table const _initialiser {
.vkCreateInstance = _vkCreateInstance,
.vkGetInstanceProcAddr = _vkGetInstanceProcAddr,
.vkEnumerateInstanceExtensionProperties = _vkEnumerateInstanceExtensionProperties,
};
cruft::vk::load::instance_table const *cruft::vk::load::i_table = &_initialiser;
///////////////////////////////////////////////////////////////////////////////
static void*
_vk_icdGetInstanceProcAddr (VkInstance instance, char const *name)
{
setup_tables ();
return cruft::vk::load::v_table->vk_icdGetInstanceProcAddr (instance, name);
}
///////////////////////////////////////////////////////////////////////////////
static cruft::vk::load::vendor_table const v_initialiser {
.vk_icdGetInstanceProcAddr = _vk_icdGetInstanceProcAddr,
};
cruft::vk::load::vendor_table const *cruft::vk::load::v_table = &v_initialiser;